# -*- coding: utf-8 -*-

def main():
    try:
        with open('guido.jpg', 'rb') as fs1:
            data = fs1.read()
            # print(data)      # 非常大
            print(type(data))  # <class 'bytes'>
        with open('guido2.jpg', 'wb') as fs2:
            fs2.write(data)
    # except FileNotFoundError as e:
    #     print('指定的文件无法打开.')
    except IOError as e:
        print('读写文件时出现错误.')
    print('程序执行结束.')


if __name__ == '__main__':
    main()


